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Case Reports
. 2011;3(3):154-9.
doi: 10.4274/jcrpe.v3i3.30.

3M syndrome: a report of four cases in two families

Affiliations
Case Reports

3M syndrome: a report of four cases in two families

Ayla Güven et al. J Clin Res Pediatr Endocrinol. 2011.

Abstract

3M syndrome is a rare entity characterized by severe growth retardation, dysmorphic features and skeletal changes as its major components. It is differentiated from other types of dwarfism by its clinical features and by the typical slender long bones and foreshortened vertebral bodies that can be visualized radiographically. 3M syndrome has an autosomal recessive mode of inheritance. An early diagnosis is important for genetic counseling. In this report, we present four children (3 males, 1 female) from two families who were aged between 4(11/12) and 10(11/12) years and had clinical findings of 3M syndrome. One of these patients had received growth hormone (GH) treatment which was discontinued due to an inadequate height gain. Physicians should be aware of this entity in the differential diagnosis of children with severe short stature and mild skeletal changes.

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Figures

Figures 1A
Figures 1A. Figure 1. Patients 1 (A), 2 (B), 3 (C) and 4 (D). The patients exhibited the physical findings of 3M syndrome: Dolichocephaly, high and broadforehead, upswept posterior hairline (in patients 1 and 2), downward slanting of the eyes, horizontal eyebrows, flat nasal bridge, narrowed and short nasal body, prominent fleshy nasal tip, straight clavicles, high and square shoulders, short, wide and flat thorax with a mild pectus excavatum
2A
2A. Figure 2. Exaggerated hyperlordosis as seen in Patients 1 (A) and 3(B)
Figure 5
Figure 5. Figure 5. Radiography of the lower extremity and lateral vertebrae in Patient 2
6
6. Figure 6. Prominent heels were present in all patients
Figure 7
Figure 7. Figure 7. Note the narrow pelvis, hypoplastic pubis and ilium, as well as the short femoral necks (Patient 3)
Figure 8
Figure 8. Figure 1. Patients 1 (A), 2 (B), 3 (C) and 4 (D). The patients exhibited the physical findings of 3M syndrome: Dolichocephaly, high and broadforehead, upswept posterior hairline (in patients 1 and 2), downward slanting of the eyes, horizontal eyebrows, flat nasal bridge, narrowed and short nasal body, prominent fleshy nasal tip, straight clavicles, high and square shoulders, short, wide and flat thorax with a mild pectus excavatum

References

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Publication types

Supplementary concepts